Enhancement of Ru Nucleation in Ru-Metal Organic Chemical Vapor Deposition by Electron Cyclotron Resonance Plasma Pretreatment
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概要
- 論文の詳細を見る
For the deposition of Ru on TiN films by metal-organic chemical vapor deposition, pretreatment of the TiN film surface with Electron Cyclotron Resonance (ECR) plasma is essential to enhance Ru nucleation. In the present work, the effects of hydrogen, argon and oxygen plasma treatments on Ru nucleation, induced by Metal-Organic Chemical Vapor Deposition (MOCVD), were investigated using scanning electron microscopy, Auger electron emission spectroscopy and X-ray diffraction analyses. Ru nucleation is enhanced with increasing hydrogen or argon ECR plasma exposure time, while it decreases with increasing oxygen ECR plasma exposure time. Hydrogen ions in the hydrogen plasma react with TiN to form Ti and NH3. Argon ions in the argon plasma remove nitrogen or oxygen atoms from the top surface of the TiN or TiON film during the argon plasma treatment. The highest Ru nucleation density was obtained on TiN when the underlying TiN surface is pretreated with argon ECR plasma.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2003-09-15
著者
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LEE Chongmu
Department of Materials Science and Engineering, Inha University
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Lee Chongmu
Department Of Materials Science And Engineering Inha University
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Lee Chongmu
Department Of Materiais Science And Engineering Inha University
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Choi Kyunsuk
Department of Materials Science and Engineering, Inha University, Incheon 402-751, Korea
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Lim Jongmin
Department of Materials Science and Engineering, Inha University, Incheon 402-751, Korea
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Roy Sudipta
Department of Materials Science and Engineering, Inha University, Incheon 402-751, Korea
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Lim Jongmin
Department Of Materials Science And Engineering Inha University
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Roy Sudipta
Department Of Materials Science And Engineering Inha University
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Choi Kyunsuk
Department Of Materials Science And Engineering Inha University
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